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Thread: ubuntu 9.10 problem with wired connection

  1. #1
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    Question ubuntu 9.10 problem with wired connection

    The problem is network manager on top shows connection is established but I cannot browse internet, output for ping www.google.com is unknown host
    please need urgent help with this.
    thanking in advance.

  2. #2
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    Kubuntu 9.10 Karmic Koala

    Re: ubuntu 9.10 problem with wired connection

    Have you set the gateway and dns-server?

  3. #3
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    Re: ubuntu 9.10 problem with wired connection

    Quote Originally Posted by Ilalmi View Post
    Have you set the gateway and dns-server?
    Yes, I've simply added new wired connection through network manager by filling up IPv4 settings manually.

  4. #4
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    Re: ubuntu 9.10 problem with wired connection

    Also
    Code:
    sudo pppoeconf
    don't work for me

  5. #5
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    Re: ubuntu 9.10 problem with wired connection

    Are your interfaces up? If you type ifconfig in a command prompt what comes back?

    For some reason mine wouldn't come back up after updates. Reboot fixed it.

  6. #6
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    Re: ubuntu 9.10 problem with wired connection

    Quote Originally Posted by abrrymnvette View Post
    Are your interfaces up? If you type ifconfig in a command prompt what comes back?

    For some reason mine wouldn't come back up after updates. Reboot fixed it.
    this is output
    Code:
    user@ubuntu:~$ ifconfig
    eth0      Link encap:Ethernet  HWaddr 00:26:22:9b:6f:93  
              inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0
              UP BROADCAST MULTICAST  MTU:1500  Metric:1
              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
              Interrupt:30 Base address:0xc000 
    
    eth1      Link encap:Ethernet  HWaddr 00:1b:57:1d:eb:4d  
              inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0
              inet6 addr: fe80::21b:57ff:fe1d:eb4d/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              TX packets:53 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:0 (0.0 B)  TX bytes:6219 (6.2 KB)
    
    lo        Link encap:Local Loopback  
              inet addr:127.0.0.1  Mask:255.0.0.0
              inet6 addr: ::1/128 Scope:Host
              UP LOOPBACK RUNNING  MTU:16436  Metric:1
              RX packets:12 errors:0 dropped:0 overruns:0 frame:0
              TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:926 (926.0 B)  TX bytes:926 (926.0 B)

  7. #7
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    Kubuntu 9.10 Karmic Koala

    Re: ubuntu 9.10 problem with wired connection

    You have two cards with the same ip-address. Are both cards shown in the network manager?

    You don't have to use pppoeconf any more. There is an option now in the network manager: http://help.ubuntu.com/9.10/internet...cting-dsl.html

  8. #8
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    Re: ubuntu 9.10 problem with wired connection

    Quote Originally Posted by Ilalmi View Post
    You have two cards with the same ip-address. Are both cards shown in the network manager?

    You don't have to use pppoeconf any more. There is an option now in the network manager: http://help.ubuntu.com/9.10/internet...cting-dsl.html
    Yes both are shown like this-
    ifupdown(eth0)
    ifupdown(eth1)

    I am alredy done with adding up new dsl connection there also I've filled IPv4 setting manually only problem is I don't know what to fill up in service,mac address,search domains

  9. #9
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    Re: ubuntu 9.10 problem with wired connection

    You shouldn't have the same ip address on both network cards. Try changing one of the addresses to 192.168.1.2.

    As I understand it, you don't have a router in your network and your pc is connected directly to your dsl modem and has to use this modem to dial into the internet.
    When adding a new dsl connection:

    • you can leave the fields "service" and "search domain" blank (if your internet service provider didn't tell you otherwise). The "mac address" is a unique address of your network card. At what point does the network manager ask for that?
    • are you sure, you have to set the ip address manually? You very probably have to set the ip4 configuration to "automatic" to automatically get an ip address assigned by your internet service provider.

  10. #10
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    Re: ubuntu 9.10 problem with wired connection

    Quote Originally Posted by Ilalmi View Post
    You shouldn't have the same ip address on both network cards. Try changing one of the addresses to 192.168.1.2.

    As I understand it, you don't have a router in your network and your pc is connected directly to your dsl modem and has to use this modem to dial into the internet.
    When adding a new dsl connection:

    • you can leave the fields "service" and "search domain" blank (if your internet service provider didn't tell you otherwise). The "mac address" is a unique address of your network card. At what point does the network manager ask for that?
    • are you sure, you have to set the ip address manually? You very probably have to set the ip4 configuration to "automatic" to automatically get an ip address assigned by your internet service provider.
    Yes, I don't have any router
    As you suggested added new dsl connection leaving mac address blank
    but it didn't worked
    Do I need to add dsl connection along with the wired connection? what is difference between them?
    I am having this problem on my laptop,what I did on my pc having Ubuntu 8.04 is simply sudo pppoeconf and it works very fine, But it don't works with ubuntu 9.10 is this bug https://bugs.launchpad.net/ubuntu/+s...er/+bug/453640 causing problem or what?
    without internet connection how to fix it

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